Cylinder Numbering; Fuel Pump Seal - Vetus M4.55 Operation Manual

2 Introduction
VD00637

4 Cylinder numbering

Cylinders are numbered consecutively,
beginning at the front end.
Lead seal
VD00145

5 Fuel pump seal

C
aution
Breaking the seals on the regulator to
alter the settings of maximum rpm and
maximum injector volume may only be
carried out by authorised Vetus Service
personnel.
Cylinder numbering, fuel pump seal
Maximum
rpm adjust-
ment screw
Breaking the seals and altering the set-
tings can lead to:
• Accelerated wear of engine compo-
nents.
• Increased fuel and oil consumption.
• Incorrectly adjusted injector volume
and poor engine performance.
• Breaking emission regulations.
11